TEHRAN, July 4 -- Iran's president used Friday's meeting with Russia's deputy security chief to press publicly for faster implementation of what both governments have called a strategic partnership, offering the first substantive account of the conversations that took place in Tehran around the farewell ceremony for former Supreme Leader Ali Khamenei.

Masoud Pezeshkian "highly appreciated the support and expressions of sympathy from the Russian government and people," Iran's presidential office said in a statement published on Telegram. "During the conversation, he emphasized the need to accelerate strategic cooperation, particularly in the economic, logistical, and regional areas."

The readout came from the Iranian side. Russia's Deput...